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Old 01-09-2008, 04:14 PM   #3 (permalink)
Traps
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Found an interesting research on this. It's probably not a definite answer but it gives us a basic idea.

Here's a small abstract of the findings incase you don't want to read through the entire study.

The authors found that the 33
grams of whey protein promoted the greatest protein
balance in both young and elderly individuals.
However, it should be noted that this would vary with
bodyweight. For example, the protein intake
mentioned was an average of 33 grams in the high
condition. But in reality the authors prescribed to
each participant 0.48 grams of whey protein per kg of
bodyweight. Therefore, a 200 pound man would have
consumed roughly 43 grams of protein. The above
results suggest that extra cellar EAAs increase
protein synthesis in a curvilinear relationship to their
concentration. While the upper limit is not known,
studies suggest that an increase in protein intake from
22 to 33 grams of whey enhances protein balance.
This level may increase with increasing body mass.

Here is the link to the whole study:
http://www.pubmedcentral.nih.gov/pic...0&blobtype=pdf

So this study suggest that a total intake of 140-160g of protein would be best utilized if each meal contain about 30-35g of protein. This would equate to about 4.5 meals per day that consisted of protein. If I did my math right. I didn't have time to read the whole thing to see if they mentioned the frequency.
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